IERP.sol

function getReferralProgram(
    uint256 programId
) external view returns (
    address[] memory hooks
)

function getTotalReferrals(
    uint256 programId,
    address account
) external view returns (
    uint256 total
)

function getReferral(
    uint256 programId,
    address account
) external view returns (
    address referral
)

function newReferralProgram(
    address[] memory hooks
) external returns (
    uint256 programId
)

function setReferral(
    uint256 programId, 
    address referral
) external